Asianopodus-type footprints from the Hekou Group of Honggu District, Lanzhou City, Gansu, China and the “heel” of large theropod tracks
2014 (English)In: Palaeoworld, ISSN 1871-174X, Vol. 23, no 3-4, 304-313 p.Article in journal (Refereed) Published
An increasing number of dinosaur tracksites have been reported from the Cretaceous Hekou Group deposits of the Lanzhou-Minhe Basin in theGansu Province region. These include small sites such as the Huazhuang tracksite, from the Honggu District reported here, the Zhongpu tracksitewith multiple track levels but few well-preserved tracks, other small tracksites currently under investigation, and the large and diverse LiujixiaNational Dinosaur Geopark site at Yanguoxia, where intensive study is ongoing. Collectively these sites reveal that ichnofaunas in the HekouGroup are widespread and diverse. The Huazhuang tracksite yields a small assemblage of moderately well-preserved theropod tracks assigned toAsianopodus. This is the first report of Asianopodus from the Hekou Group. Huazhuang Asianopodus belongs to the Eubrontes morphotype. Thelarge theropod tracks from Lanzhou-Minhe Basin were left by large theropod trackmakers with the same general foot morphology. The specimensare described in detail and compared with other theropod track morphotypes from the Lower Cretaceous of China and elsewhere. In general,although the metatarsophalangeal pads of some Jurassic Eubrontes-type tracks are aligned with the axis of digit III, this feature appears mostcommon in the Early Cretaceous theropod (Eubrontes-type) tracks.
Place, publisher, year, edition, pages
2014. Vol. 23, no 3-4, 304-313 p.
Theropod tracks; Asianopodus; Eubrontes; Hekou Group; Lower Cretaceous; Honggu District
Earth and Related Environmental Sciences Biological Sciences
Research subject Earth Science with specialization in Historical Geology and Palaeontology
IdentifiersURN: urn:nbn:se:uu:diva-241156DOI: 10.1016/j.palwor.2014.08.003ISI: 000346515400011OAI: oai:DiVA.org:uu-241156DiVA: diva2:777704